Abstract
The dispersion properties of index-guiding photonic crystal fibers with a triangular lattice of airholes in the cladding are investigated numerically to determine the wavelengths at which the phase-matching condition allowing single-pump parametric amplification is fulfilled. Results are reported for pump wavelengths of 1550, 1064 and 800 nm, over a wide range of fiber design parameters. It is found that a manifold of fiber designs allows phase-matching of each particular combination of pump, signal and idler wavelengths, thus leaving freedom for optimization of secondary parameters. Elimination of the group-velocity mismatch and minimization/maximization of the derivatives of the signal/idler wavelengths with respect to the pump wavelength is discussed.
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